optimize: `IP预设置` 功能，无需依赖 `DNS设置` 或 `IP测速` 功能，也能单独配置并生效了。

packages/gui/src/view/pages/server.vue

@@ -71,14 +71,14 @@
           </div>
         </a-tab-pane>
         <a-tab-pane tab="拦截设置" key="2">
-          <vue-json-editor style="height:100%;" ref="editor" v-model="config.server.intercepts" mode="code"
+          <vue-json-editor style="height:100%" ref="editor" v-model="config.server.intercepts" mode="code"
                            :show-btns="false" :expandedOnStart="true"></vue-json-editor>
         </a-tab-pane>
         <a-tab-pane tab="超时时间设置" key="3">
           <div style="height:100%;display:flex;flex-direction:column;padding-right:10px">
             <a-form-item label="默认超时时间" :label-col="labelCol" :wrapper-col="wrapperCol">
-              请求：<a-input-number v-model="config.server.setting.defaultTimeout" :step="1000" :min="1000"/> ms，对应 timeout 属性<br/>
+              请求：<a-input-number v-model="config.server.setting.defaultTimeout" :step="1000" :min="1000"/> ms，对应<span class="tip">timeout</span>属性<br/>
-              连接：<a-input-number v-model="config.server.setting.defaultKeepAliveTimeout" :step="1000" :min="1000"/> ms，对应 keepAliveTimeout 属性
+              连接：<a-input-number v-model="config.server.setting.defaultKeepAliveTimeout" :step="1000" :min="1000"/> ms，对应<span class="tip">keepAliveTimeout</span>属性
             </a-form-item>
             <hr style="margin-bottom:15px"/>
             <div>这里指定域名的超时时间：<span class="form-help">（以下github的配置为示例，预计将在 1.8.7 版本删除）</span></div>
@@ -106,13 +106,13 @@
         </a-tab-pane>
         <a-tab-pane tab="IP预设置" key="5">
           <div style="height:100%;display:flex;flex-direction:column">
-            <div>注意：IP预设置功能，需要与 `DNS设置` 或 `IP测速` 功能一起使用才会生效。</div>
+            <div>提示：<span class="tip">IP预设置</span>功能，优先级高于 <span class="tip">DNS设置</span>；域名配置可使用通配符或正则</div>
             <vue-json-editor style="flex-grow:1;min-height:300px;margin-top:10px;" ref="editor" v-model="config.server.preSetIpList" mode="code"
                              :show-btns="false" :expandedOnStart="true"></vue-json-editor>
           </div>
         </a-tab-pane>
         <a-tab-pane tab="DNS服务管理" key="6">
-          <vue-json-editor style="height:100%;" ref="editor" v-model="config.server.dns.providers" mode="code"
+          <vue-json-editor style="height:100%" ref="editor" v-model="config.server.dns.providers" mode="code"
                            :show-btns="false" :expandedOnStart="true"></vue-json-editor>
         </a-tab-pane>
         <a-tab-pane tab="DNS设置" key="7">

packages/gui/src/view/style/index.scss

@@ -56,6 +56,15 @@ ol{
   }
 }
 
+.tip {
+  color: #aaa;
+  font-family: "Microsoft YaHei", serif;
+  font-style: normal;
+  font-weight: bold;
+  margin-left: 3px;
+  margin-right: 3px;
+}
+
 .ace_search_form .ace_searchbtn{
   width: auto;
   min-width: 27px;

packages/gui/src/view/style/theme/dark.scss

@@ -24,6 +24,9 @@ $dark-input: #777; //输入框：背景色
   .form-help {
     color: #999
   }
+  .tip {
+    color: #999;
+  }
 
   /* 高亮块：背景色和字体颜色 */
   /* 警告类型 */

packages/mitmproxy/src/lib/dns/index.js

@@ -2,6 +2,7 @@ const DNSOverTLS = require('./tls.js')
 const DNSOverHTTPS = require('./https.js')
 const DNSOverIpAddress = require('./ipaddress.js')
 const matchUtil = require('../../utils/util.match')
+const log = require('../../utils/util.log')
 
 module.exports = {
   initDNS (dnsProviders, preSetIpList) {
@@ -30,6 +31,17 @@ module.exports = {
       providerName = 'cloudflare'
     }
 
+    // 如果为空，尝试从预设IP中匹配，如果配置过预设IP，则随便
+    if (providerName == null) {
+      const hostnamePreSetIpList = matchUtil.matchHostname(dnsConfig.preSetIpList, hostname, 'matched preSetIpList')
+      if (hostnamePreSetIpList) {
+        for (const name in dnsConfig.providers) {
+          log.debug(`当前域名未配置过DNS，但配置了预设IP，现返回DNS '${name}' 作为预设IP的使用工具，hostname: ${hostname}, preSetIpList:`, hostnamePreSetIpList)
+          return dnsConfig.providers[name]
+        }
+      }
+    }
+
     if (providerName) {
       return dnsConfig.providers[providerName]
     }

packages/mitmproxy/src/options.js

@@ -65,11 +65,14 @@ module.exports = (serverConfig) => {
     middlewares.push(overwallMiddleware)
   }
 
+  const preSetIpList = matchUtil.domainMapRegexply(serverConfig.preSetIpList)
+
   const options = {
     host: serverConfig.host,
     port: serverConfig.port,
     dnsConfig: {
-      providers: dnsUtil.initDNS(serverConfig.dns.providers, matchUtil.domainMapRegexply(serverConfig.preSetIpList)),
+      preSetIpList,
+      providers: dnsUtil.initDNS(serverConfig.dns.providers, preSetIpList),
       mapping: matchUtil.domainMapRegexply(dnsMapping),
       speedTest: serverConfig.dns.speedTest
     },